National Highway 16 is a major National Highway in India that runs along east coast of West Bengal, Odisha, Andhra Pradesh, and Tamil Nadu. It was previously known as National Highway 5.

National Highway 19 is a national highway in India. It was previously referred to as Delhi–Kolkata Road and is one of the busiest national highways in India. After renumbering of national highways, Delhi to Agra route is now national highway 44 and Agra to Kolkata route is numbered national highway 19. It constitutes a major portion of the historical Grand Trunk Road. It is also part of AH1 of Asian Highway Network, that traverses from Japan to Turkey.